Matter

5. A state of matter that does not have a definite shape but takes up a definite amount of space. A liquid fills the bottom of its container when at rest, and flows freely when poured.
7. An extremely small piece of matter.
9. Anything that takes up space and has mass (which we usually measure by weight).
10. A mixture of gases that surround the earth.
11. A state of matter that does not have a definite shape or take up a definite amount of space. A gas can expand to fill any available space in a container.
13. One of the distinct forms of matter.
14. The substance that something is made of.
16. Mixtures of small particles of a solid or gas suspended in another substance (a liquid or solid).

1. Attracted to a magnet.
2. A state of matter that has a definite shape and takes up a definite amount of space. A solid keeps it shape when at rest, whether or not it is in a container.
3. A characteristic that helps to describe or identify an object, material, or a state of matter.
4. The tendency of a material to dissolve in another material.
6. A colorless, odorless, gas present in the atmosphere.
8. To press on something until it takes up less space. Gases can be compressed a lot; solids and liquids can be compressed very little.
12. Water when it is part of the air. An invisible gas drifting around with the rest of the air.
15. To become larger, or take up a larger space. Gases expand if put in a larger container.